Starter  Write down on the mini white board the types of electromagnetic wave used for communication. (Hint) Remember the types: Gate X Usually Lets In.

Slides:

Advertisements

Similar presentations

Advertisements

The Electromagnetic Spectrum

REVISION What wave is missing and how does its frequency compare with gamma waves?? (2)

Unit 11, Section 1.  Light can take millions of years to travel to Earth  All electromagnetic radiation travels at the speed of light, which is 300,000.

The Electromagnetic Spectrum. The name given to a group of energy waves that are mostly invisible and can travel through empty space Shorter waves have.

November 18, Electromagnetic Radiation Objectives At the end of class, you will be able to: List the forms of electromagnetic radiation Find wavelength.

LEFT CLICK OR PRESS SPACE BAR TO ADVANCE, PRESS P BUTTON TO GO BACK, PRESS ESC BUTTON TO END LEFT CLICK OR PRESS SPACE BAR TO ADVANCE, PRESS P BUTTON.

27 March 2012Digital Signals C/W 27 th Mar 2012 Recap - Electromagnetic waves for communicating Keywords: optical fibre carrier wave modulation Objectives:

Radiant Energy Electromagnetic wave, crest, trough, medium,

Electromagnetic Waves. What are they? Electromagnetic waves are energy which radiate from a source in a wave pattern – troughs and crests Waves can be.

Waves….. What is a Wave? A Wave is a disturbance that carries energy through a medium or empty space. A Medium is a substance such as a solid, liquid,

The Electromagnetic Spectrum

Unit 5 Lesson 1 Images from Space

Waves for communication. What do these have in common?

1.All electromagnetic waves travel at the same speed through space (the speed of light) 2.Gamma rays, X-rays, Ultra-violet waves, Light, Infra-red rays,

The Sun’s Energy The Sun releases a huge amount of energy into the space around it. It’s the same amount of energy as 100 billion tons of TNT exploding.

WAVES REVIEW & ELECTROMAGNETIC WAVES INTRODUCTION Radio Waves Microwaves Infrared Visible Light (Red, Orange, Yellow, Green, Blue, Indigo & Violet) Ultraviolet.

P6 – The Wave Model of Radiation

Electromagnetic Waves

Which day has the MOST sunlight in the United States?

Quiz quiz swap. C/W 1 st October 2011 Recap - Effects of ionising radiation Keywords: gamma rays radioactive X-rays radiographer Objectives: Must – Understand.

Visible light and the electromagnetic spectrum. we can’t see all types of light! Visible light is a very small part of a large range of radiations. It.

A QUICK REVIEW COMMON MISSED PROBLEMS ON THE QUIZ.

Look out answers to Page 21, Q. 24, 26, 28 and 30.

Waves Wave characteristics. Travelling Waves v There are two types of mechanical waves and pulses that we encounter in the physical world.

Electromagnetic Waves

C/W 2 nd November 2011 Microwaves Keywords: absorb microwave sample bias Objectives: Must – Understand the heating effects of radiation can damage cells.

Wave Model of Radiation Revision. Waves Waves are disturbances that transfer energy in the direction of the wave without transferring matter. Waves are.

Names: Ahmed Ali Saeed Al Sharhan Khalid alneaimi Grade 12-3 Electromagnetic wave.

Electrons and the Electromagnetic Spectrum Table Team Review — DEFINE in your own words ‘Electromagnetic radiation’. LIST three examples.

P6 – The Wave model of Radiation

Electromagnetic Spectrum. Different Types of Light  Light is a form of energy  It travels in waves  Also called Electromagnetic Radiation  Some Electromagnetic.

The Electromagnetic Spectrum

Electromagnetic spectrum

Warm Up  Write the correct answers for the following:  1) 2.00 x m = __________m  2) 1.23 x m = __________nm.

ASTRONOMY Continued. DEEP THOUGHTS, WITH MRS. LEEVER...

Chapter 9.1 Notes Electromagnetic Waves Part 1. A changing electric field can produce a changing Magnetic Field.Magnetic Field. A changing magnetic field.

Question 1 1) wavelength 2) frequency 3) period 4) amplitude 5) energy

Energy Kinetic Energy Potential Energy.

What is a wave? Wave – a disturbance or oscillation that travels from one place to another.

Bellwork What is a transformer? What is a transformer? A device for increasing or decreasing voltage through electromagnetic induction A device for increasing.

Waves. There are 2 types of waves –Transverse waves –Longitudinal waves.

P1 Unit 6 Electromagnetic Waves. Electromagnetic Spectrum.

Electromagnetic Spectrum. -is the range of all possible frequencies of electromagnetic radiation. The "electromagnetic spectrum" of an object is the characteristic.

Electromagnetic Spectrum

There is good evidence for the Big Bang from red shifted spectra and cosmic background radiation. There is uncertainty about the effect of gravity in the.

Electromagnetic spectrum. Learning today – copy The main features and characteristics of the Electromagnetic spectrum The uses and dangers of EM spectrum.

02/03/2016 AQA Physics Unit 1 The New Bridge Academy Science Dept.

Electromagnetic Waves Chapter 12. What is an Electromagnetic Wave? Electromagnetic wave – is made by vibrating electric charges and can travel through.

W1 & W2 Notes. W1 Waves Waves are a method that many types of energy use to move from one place to another. In other words, a wave is moving energy. A.

Electromagnetic Spectrum The EM Spectrum What do a radio, heat lamp, the Sun, and an X-ray Machine have in Common? – All four transmit energy.

Wave Basics. Wave Definition  Any traveling disturbance that transfers energy. WAVES DON’T MOVE MATTER!!!

The Electromagnetic Spectrum

9.1 Waves of the Electromagnetic Spectrum

Electromagnetic Waves

electromagnetic waves

Electromagnetic Waves

3.1 – 3.2 Properties of Electromagnetic Radiation

Waves and Optics.

Electromagnetic Waves

They all travel as electromagnetic waves!

Chapter 2 Waves A wave is a disturbance that travels through matter or space. Matter or space is called a medium which includes such things as air and.

Electromagnetic Waves

3.1 – 3.2 Properties of Electromagnetic Radiation

Radio Waves -Longest wavelength of the electromagnetic spectrum

Waves Waves transfer energy. Example – light and sound waves. Wavelength(λ) – Distance between two crest, measured in meters. Frequency (f) – the number.

Presentation transcript:

Starter  Write down on the mini white board the types of electromagnetic wave used for communication. (Hint) Remember the types: Gate X Usually Lets In Most Radiation

Electromagnetic waves for communicating C/W 22nd November 2011 Electromagnetic waves for communicating Keywords: carrier wave modulation Objectives: Must – State which types of electromagnetic waves are used for communication. (C/D) Should – Understand how information is carried using electromagnetic waves. (C/B) Could – Consider why we use specific electromagnetic waves for carrying information. (A/A*)

Complete the table whilst we are discussing the types of radiation.

Visible light, is used in fibre optics, and Morse code........

Microwaves are used in mobile phones, satellite TV, and sat-nav. Not absorbed by the earths atmosphere, can be transmitted into space.

Radio waves are used for: Radio signals, terrestrial TV, and walky-talkies

Infra red is used for: Remote controls  These waves can only travel short distances in air.

Low frequency and energy High frequency and energy Type of EM-wave Communication Uses Extra information radio waves Radios, TV microwaves Satnav, mobile phones, satellite TV Can be transmitted into space. infrared TV remotes Can only be transmitted short distance visible Fibre optics, Mores code Hard to use if there is other light around ultraviolet N/A X-rays gamma rays

Electromagnetic waves for communicating C/W 22nd November 2011 Electromagnetic waves for communicating Keywords: carrier wave modulation Objectives: Must – State which types of electromagnetic waves are used for communication. (C/D) Should – Understand how information is carried using electromagnetic waves. (C/B) Could – Consider why we use specific electromagnetic waves for carrying information. (A/A*)

We are going to see how signals are actually broadcast as a wave We are going to see how signals are actually broadcast as a wave..... Today’s Jazzy simulation Recap on waves  Crest / Peak a  Displacement +  Time a  Trough

How are sound waves broadcast through the air? 1st we need a high frequency carrier wave.... Then we need to add the sound wave to it that we want to transmit This gives us a modulated carrier wave

We are going to see how signals are actually broadcast as a wave..... Pupils make their own waves using audacity Complete questions on worksheet.

One type of e-mag wave used for communication and it’s application Plenary sketch on your mini white board One type of e-mag wave used for communication and it’s application

Plenary sketch on your mini white board The carrier wave Sound signal to be broadcast Modulated carrier wave

Electromagnetic waves for communicating C/W 22nd November 2011 Electromagnetic waves for communicating Keywords: carrier wave modulation Objectives: Must – State which types of electromagnetic waves are used for communication. (C/D) Should – Understand how information is carried using electromagnetic waves. (C/B) Could – Consider why we use specific electromagnetic waves for carrying information. (A/A*)

http://boswellsphysics.blogspot.com/ Or google ‘Boswells physics’